Edit in JSFiddle

const dataSource = {
  "chart": {
    "dateformat": "mm/dd/yyyy",
    "caption": "Project Schedule for Operation BigHead",
    "subcaption": "",
    "theme": "fusion",
    "canvasborderalpha": "40",
    "ganttlinealpha": "50",
    "plottooltext": "$PercentComplete complete"
  },
  "tasks": {
    "color": "#008000",
    "task": [
      {
        "start": "11/30/2016",
        "end": "12/07/2016",
        "percentcomplete": "100",
        "height": "27%",
        "toppadding": "32%"
      },
      {
        "start": "12/05/2016",
        "end": "12/16/2016",
        "percentcomplete": "100",
        "height": "27%",
        "toppadding": "32%"
      },
      {
        "start": "12/05/2016",
        "end": "01/08/2017",
        "percentcomplete": "75",
        "height": "27%",
        "toppadding": "32%"
      },
      {
        "start": "12/05/2016",
        "end": "01/09/2017",
        "percentcomplete": "80",
        "height": "27%",
        "toppadding": "32%"
      },
      {
        "start": "12/10/2016",
        "end": "01/20/2017",
        "percentcomplete": "60",
        "height": "27%",
        "toppadding": "32%"
      },
      {
        "start": "12/14/2016",
        "end": "12/28/2016",
        "percentcomplete": "35",
        "height": "27%",
        "toppadding": "32%"
      },
      {
        "start": "12/26/2016",
        "end": "01/10/2017",
        "percentcomplete": "40",
        "height": "27%",
        "toppadding": "32%"
      },
      {
        "start": "12/26/2016",
        "end": "01/10/2017",
        "percentcomplete": "50",
        "height": "27%",
        "toppadding": "32%"
      },
      {
        "start": "01/10/2017",
        "end": "01/17/2017",
        "percentcomplete": "20",
        "height": "27%",
        "toppadding": "32%"
      },
      {
        "start": "01/18/2017",
        "end": "02/02/2017",
        "percentcomplete": "5",
        "height": "27%",
        "toppadding": "32%"
      },
      {
        "start": "01/18/2017",
        "end": "02/02/2017",
        "percentcomplete": "0",
        "height": "27%",
        "toppadding": "32%"
      },
      {
        "start": "02/02/2017",
        "end": "02/05/2017",
        "percentcomplete": "20",
        "height": "27%",
        "toppadding": "32%"
      }
    ]
  },
  "processes": {
    "headertext": "Task",
    "headeralign": "left",
    "fontsize": "14",
    "isbold": "0",
    "align": "left",
    "process": [
      {
        "label": "Finalize and Approve Plan"
      },
      {
        "label": "Prerpare Drawings"
      },
      {
        "label": "Analyze Potential Market"
      },
      {
        "label": "Write Specification"
      },
      {
        "label": "Develop Marketing Concept"
      },
      {
        "label": "Build Prototype"
      },
      {
        "label": "Procure Raw Materials"
      },
      {
        "label": "Prepare Manufacturing Facility"
      },
      {
        "label": "Initial Production Run"
      },
      {
        "label": "Evaluate Product In-House"
      },
      {
        "label": "Test Product In Sample Market"
      },
      {
        "label": "Begin Full Scale Marketing"
      }
    ]
  },
  "categories": [
    {
      "category": [
        {
          "start": "11/23/2016",
          "end": "11/30/2016",
          "label": "Nov {br} 30"
        },
        {
          "start": "12/01/2016",
          "end": "12/07/2016",
          "label": "Dec{br}07"
        },
        {
          "start": "12/08/2016",
          "end": "12/14/2016",
          "label": "Dec{br}14"
        },
        {
          "start": "12/15/2016",
          "end": "12/21/2016",
          "label": "Dec{br}21"
        },
        {
          "start": "12/22/2016",
          "end": "12/28/2016",
          "label": "Dec{br}28"
        },
        {
          "start": "12/28/2016",
          "end": "01/04/2017",
          "label": "Jan{br}04"
        },
        {
          "start": "01/05/2017",
          "end": "01/11/2017",
          "label": "Jan{br}11"
        },
        {
          "start": "01/12/2017",
          "end": "01/18/2017",
          "label": "Jan{br}18"
        },
        {
          "start": "01/19/2017",
          "end": "01/25/2017",
          "label": "Jan{br}25"
        },
        {
          "start": "01/26/2017",
          "end": "02/01/2017",
          "label": "Feb{br}01"
        },
        {
          "start": "02/02/2017",
          "end": "02/08/2017",
          "label": "Feb{br}08"
        },
        {
          "start": "02/09/2017",
          "end": "02/15/2017",
          "label": "Feb{br}15"
        }
      ]
    }
  ]
};

FusionCharts.ready(function() {
   var myChart = new FusionCharts({
      type: "gantt",
      renderAt: "chart-container",
      width: "800",
      height: "500",
      dataFormat: "json",
      dataSource
   }).render();
});
<div id="chart-container"></div>